Diff: AppRTCSettings.cpp

Revision:

18:715f542538b3

Child:

22:7e59255933b5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AppRTCSettings.cpp	Tue Jan 20 09:15:05 2015 +0100
@@ -0,0 +1,416 @@
+/*
+ *  Copyright 2014 Embedded Artists AB
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+
+#include "mbed.h"
+#include "AppRTCSettings.h"
+#include "lpc_swim_font.h"
+#include "image_data.h"
+
+/******************************************************************************
+ * Defines and typedefs
+ *****************************************************************************/
+ 
+#define BTN_WIDTH  40
+#define BTN_HEIGHT 40
+#define BTN_OFF    20
+
+#define ARROW_WIDTH   52
+#define ARROW_HEIGHT  52
+ 
+/******************************************************************************
+ * Private variables
+ *****************************************************************************/
+
+// Ugly but needed for callbacks
+static AppRTCSettings* theApp = NULL;
+
+/******************************************************************************
+ * Private functions
+ *****************************************************************************/
+
+static void buttonClicked(uint32_t x)
+{
+  bool* done = (bool*)x;
+  *done = true;
+}
+
+static void fieldClicked(uint32_t x)
+{
+  if (theApp != NULL) {
+    theApp->setActiveField(x);
+  }
+}
+
+static void increaseValue(uint32_t x)
+{
+  AppRTCSettings* app = (AppRTCSettings*)x;
+  app->modifyValue(1);
+}
+
+static void decreaseValue(uint32_t x)
+{
+  AppRTCSettings* app = (AppRTCSettings*)x;
+  app->modifyValue(-1);
+}
+
+static void nextField(uint32_t x)
+{
+  AppRTCSettings* app = (AppRTCSettings*)x;
+  app->changeActiveField(true);
+}
+
+static void prevField(uint32_t x)
+{
+  AppRTCSettings* app = (AppRTCSettings*)x;
+  app->changeActiveField(false);
+}
+
+void AppRTCSettings::draw()
+{
+    // Prepare fullscreen
+    swim_window_open(_win, 
+                   _disp->width(), _disp->height(),         // full size
+                   (COLOR_T*)_fb,
+                   0,0,_disp->width()-1, _disp->height()-1, // window position and size
+                   1,                                       // border
+                   GREEN,WHITE,BLACK);/*WHITE, RED,  BLACK);*/                     // colors: pen, backgr, forgr
+    swim_set_pen_color(_win, BLACK);
+    swim_set_title(_win, "Real Time Clock Settings", GREEN);
+    swim_set_pen_color(_win, GREEN);
+
+    //_buttons[ButtonDone] = new Button("Done", _win->fb, _win->xpmax - BTN_OFF - BTN_WIDTH, _win->ypmax - BTN_OFF - BTN_HEIGHT, BTN_WIDTH, BTN_HEIGHT);
+  
+    ImageButton* ib;
+    
+    ib =  new ImageButton(_win->fb, _win->xpmax - 2*BTN_OFF - 2*BTN_WIDTH, _win->ypmax - BTN_OFF - BTN_HEIGHT, BTN_WIDTH, BTN_HEIGHT);
+    ib->loadImages(img_ok, img_size_ok);
+    ib->draw();
+    _buttons[ButtonOk] = ib;    
+    ib =  new ImageButton(_win->fb, _win->xpmax - BTN_OFF - BTN_WIDTH, _win->ypmax - BTN_OFF - BTN_HEIGHT, BTN_WIDTH, BTN_HEIGHT);
+    ib->loadImages(img_cancel, img_size_cancel);
+    ib->draw();
+    _buttons[ButtonCancel] = ib;    
+
+    ib =  new ImageButton(_win->fb, 300, 40, ARROW_WIDTH, ARROW_HEIGHT);
+    ib->loadImages(img_arrow_up, img_size_arrow_up);
+    ib->setAction(increaseValue, (uint32_t)this);
+    ib->draw();
+    _buttons[ButtonUp] = ib;    
+    ib =  new ImageButton(_win->fb, 300, 40+ARROW_HEIGHT+ARROW_HEIGHT, ARROW_WIDTH, ARROW_HEIGHT);
+    ib->loadImages(img_arrow_down, img_size_arrow_down);
+    ib->setAction(decreaseValue, (uint32_t)this);
+    ib->draw();
+    _buttons[ButtonDown] = ib;
+    ib =  new ImageButton(_win->fb, 300-ARROW_WIDTH/2-10, 40+ARROW_HEIGHT, ARROW_WIDTH, ARROW_HEIGHT);
+    ib->loadImages(img_arrow_left, img_size_arrow_left);
+    ib->setAction(prevField, (uint32_t)this);
+    ib->draw();
+    _buttons[ButtonLeft] = ib;
+    ib =  new ImageButton(_win->fb, 300+ARROW_WIDTH/2+10, 40+ARROW_HEIGHT, ARROW_WIDTH, ARROW_HEIGHT);
+    ib->loadImages(img_arrow_right, img_size_arrow_right);
+    ib->setAction(nextField, (uint32_t)this);
+    ib->draw();
+    _buttons[ButtonRight] = ib;
+    
+    // To avoid having each DigitButton deallocate the shared image
+    void* pointerToFree = _digitImage.pointerToFree;
+    _digitImage.pointerToFree = NULL;
+
+    addDateFields(0, 20);
+    addTimeFields(0, 20+65);
+    
+    // Restore shared image so that it will be deallocated during teardown
+    _digitImage.pointerToFree = pointerToFree;    
+    
+  for (int i = 0; i < NumButtons; i++) {
+    _buttons[i]->draw();
+  }
+  
+  markField(_activeField, true);
+}
+
+void AppRTCSettings::addDateFields(int xoff, int yoff)
+{
+    DigitButton* db;
+    
+    int y = yoff + 15;
+    int btny = y-7;
+    y += _win->ypvmin; // compensate for title bar 
+    int x = xoff+20;
+    int idx = ButtonYear;
+    int btnw;
+    
+    swim_put_text_xy(_win, "Year", x, y-15);
+    btnw = 65;
+    db =  new DigitButton(_win->fb, x, y, btnw, 34);
+    db->loadImages(&_digitImage);//img_numbers, img_size_numbers);
+    db->setNumDigits(4);
+    db->setValue(_values[idx]);
+    db->setAction(fieldClicked, idx);
+    _buttons[idx++] = db;
+    
+    x += btnw + 20;
+    btnw = 45;
+    swim_put_text_xy(_win, "Month", x, y-15);
+    db =  new DigitButton(_win->fb, x, y, btnw, 34);
+    db->loadImages(&_digitImage);//img_numbers, img_size_numbers);
+    db->setNumDigits(2);
+    db->setValue(_values[idx]);
+    db->setAction(fieldClicked, idx);
+    _buttons[idx++] = db;
+    swim_put_box(_win, x-13, btny+20, x-2, btny+23);
+    
+    x += btnw + 10;    
+    swim_put_text_xy(_win, "Day", x, y-15);
+    db =  new DigitButton(_win->fb, x, y, btnw, 34);
+    db->loadImages(&_digitImage);//img_numbers, img_size_numbers);
+    db->setNumDigits(2);
+    db->setValue(_values[idx]);
+    db->setAction(fieldClicked, idx);
+    _buttons[idx++] = db;
+    swim_put_box(_win, x-13, btny+20, x-2, btny+23);
+}
+
+void AppRTCSettings::addTimeFields(int xoff, int yoff)
+{
+    DigitButton* db;
+    
+    int y = yoff + 15;
+    int btny = y-7;
+    y += _win->ypvmin; // compensate for title bar 
+    int x = xoff+20;
+    int idx = ButtonHour;
+    int btnw = 45;
+    
+    swim_put_text_xy(_win, "Hour", x, y-15);
+    db =  new DigitButton(_win->fb, x, y, btnw, 34);
+    db->loadImages(&_digitImage);//img_numbers, img_size_numbers);
+    db->setNumDigits(2);
+    db->setValue(_values[idx]);
+    db->setAction(fieldClicked, idx);
+    _buttons[idx++] = db;
+    
+    x += btnw + 10;    
+    swim_put_text_xy(_win, "Minutes", x, y-15);
+    db =  new DigitButton(_win->fb, x, y, btnw, 34);
+    db->loadImages(&_digitImage);//img_numbers, img_size_numbers);
+    db->setNumDigits(2);
+    db->setValue(_values[idx]);
+    db->setAction(fieldClicked, idx);
+    _buttons[idx++] = db;
+    swim_put_box(_win, x-13, btny+22, x-2, btny+25);
+    
+    x += btnw + 10;    
+    swim_put_text_xy(_win, "Seconds", x, y-15);
+    db =  new DigitButton(_win->fb, x, y, btnw, 34);
+    db->loadImages(&_digitImage);//img_numbers, img_size_numbers);
+    db->setNumDigits(2);
+    db->setValue(_values[idx]);
+    db->setAction(fieldClicked, idx);
+    _buttons[idx++] = db;
+    swim_put_box(_win, x-13, btny+22, x-2, btny+25);
+}
+
+void AppRTCSettings::markField(int field, bool active)
+{
+  COLOR_T oldPen = _win->pen;
+  COLOR_T oldFill = _win->fill;
+  _win->fill = active ? BLACK : _win->bkg;
+  _win->pen = active ? BLACK : _win->bkg;
+  if (field >= 0 && field < NumFields) {
+    int x0, y0, x1, y1;
+    _buttons[field]->bounds(x0,y0,x1,y1);
+    y1 -= _win->ypvmin+1;
+    x0--;
+    swim_put_box(_win, x0, y1, x1, y1+3);
+  }
+  _win->fill = oldFill;
+  _win->pen = oldPen;
+}
+
+/******************************************************************************
+ * Public functions
+ *****************************************************************************/
+
+AppRTCSettings::AppRTCSettings() : _disp(NULL), _win(NULL), _fb(NULL), _activeField(0)
+{
+  for (int i = 0; i < NumButtons; i++) {
+    _buttons[i] = NULL;
+  }
+  _values[ButtonYear] = 2015;
+  _values[ButtonMonth] = 1;
+  _values[ButtonDay] = 17;
+  _values[ButtonHour] = 14;
+  _values[ButtonMinute] = 46;
+  _values[ButtonSecond] = 0;
+  
+  _digitImage.pointerToFree = NULL;
+  
+  theApp = this;
+}
+
+AppRTCSettings::~AppRTCSettings()
+{
+    theApp = NULL;
+    teardown();
+}
+
+bool AppRTCSettings::setup()
+{
+    _disp = DMBoard::instance().display();
+    _win = (SWIM_WINDOW_T*)malloc(sizeof(SWIM_WINDOW_T));
+    _fb = _disp->allocateFramebuffer();
+    int res = Image::decode(img_numbers, img_size_numbers, Image::RES_16BIT, &_digitImage);
+
+    return (_win != NULL && _fb != NULL && res == 0);
+}
+
+void AppRTCSettings::runToCompletion()
+{
+    // Alternative 1: use the calling thread's context to run in
+    bool done = false;
+    bool abort = false;
+    draw();
+    _buttons[ButtonOk]->setAction(buttonClicked, (uint32_t)&done);
+    _buttons[ButtonCancel]->setAction(buttonClicked, (uint32_t)&abort);
+    void* oldFB = _disp->swapFramebuffer(_fb);
+    
+    // Wait for touches
+    TouchPanel* touch = DMBoard::instance().touchPanel();
+    touch_coordinate_t coord;
+
+    int lastPressed = NumButtons;
+    Timer t;
+    t.start();
+    uint32_t repeatAt;
+
+    uint32_t maxDelay = osWaitForever; 
+    while(!done && !abort) {
+      Thread::signal_wait(0x1, maxDelay);
+      if (touch->read(coord) == TouchPanel::TouchError_Ok) {
+        for (int i = 0; i < NumButtons; i++) {
+          if (_buttons[i]->handle(coord.x, coord.y, coord.z > 0)) {
+            _buttons[i]->draw();
+            if (_buttons[i]->pressed()) {
+              lastPressed = i; // new button pressed
+              t.reset();
+              repeatAt = 1000;
+            }
+          }
+        }
+        if (lastPressed == ButtonUp || lastPressed == ButtonDown) {
+          maxDelay = 10;
+          if (_buttons[lastPressed]->pressed() && t.read_ms() > repeatAt) {
+            modifyValue((lastPressed == ButtonUp) ? 1 : -1);
+            repeatAt = t.read_ms()+(200/(t.read_ms()/1000));
+          }
+        } else {
+          maxDelay = osWaitForever;
+        }
+      }
+    }
+
+    if (!abort) {
+      RtosLog* log = DMBoard::instance().logger();
+      log->printf("New time: %04d-%02d-%02d  %02d:%02d:%02d\n", _values[0], _values[1],
+          _values[2], _values[3], _values[4], _values[5]);
+        tm t;
+        t.tm_year = _values[ButtonYear] - 1900;  // years since 1900
+        t.tm_mon = _values[ButtonMonth] - 1;      // month is 0..11
+        t.tm_mday = _values[ButtonDay];
+        t.tm_hour = _values[ButtonHour];
+        t.tm_min = _values[ButtonMinute];
+        t.tm_sec = _values[ButtonSecond];
+        set_time(mktime(&t));
+    }
+    
+    // User has clicked the button, restore the original FB
+    _disp->swapFramebuffer(oldFB);
+    swim_window_close(_win);
+}
+
+bool AppRTCSettings::teardown()
+{
+    if (_win != NULL) {
+        free(_win);
+        _win = NULL;
+    }
+    if (_fb != NULL) {
+        free(_fb);
+        _fb = NULL;
+    }
+    for (int i = 0; i < NumButtons; i++) {
+        if (_buttons[i] != NULL) {
+            delete _buttons[i];
+            _buttons[i] = NULL;
+        }
+    }
+    if (_digitImage.pointerToFree != NULL) {
+        free(_digitImage.pointerToFree);
+        _digitImage.pointerToFree = NULL;
+    }
+    return true;
+}
+
+void AppRTCSettings::modifyValue(int mod)
+{
+  uint32_t v = _values[_activeField];
+  switch (_activeField) {
+      case ButtonYear:
+          // 1970..2100
+          _values[_activeField] = (((v - 1970 + (2100-1970)) + mod) % (2100-1970)) + 1970;
+          break;
+      case ButtonMonth:
+          // 1..12
+          _values[_activeField] = (((v - 1 + 12) + mod) % 12) + 1;
+          break;
+      case ButtonDay:
+          // 1..31
+          _values[_activeField] = (((v - 1 + 31) + mod) % 31) + 1;
+          break;
+      case ButtonHour:
+          // 0..23
+          _values[_activeField] = (v + 24 + mod) % 24;
+          break;
+      case ButtonMinute:
+      case ButtonSecond:
+          // 0..59
+          _values[_activeField] = (v + 60 + mod) % 60;
+          break;
+  }
+  ((DigitButton*)_buttons[_activeField])->setValue(_values[_activeField]);
+}
+
+void AppRTCSettings::changeActiveField(bool next)
+{
+  markField(_activeField, false);
+  if (next) {
+    _activeField = (_activeField+1) % NumFields;
+  } else {
+    _activeField = (_activeField+NumFields-1) % NumFields;
+  }
+  markField(_activeField, true);
+}
+
+void AppRTCSettings::setActiveField(uint32_t newField)
+{
+  if (_activeField != newField && newField < NumFields) {
+    markField(_activeField, false);
+    _activeField = newField;
+    markField(_activeField, true);
+  }
+}